#include<iostream>
#include<string>
#include<vector>
using namespace std;
string a, b, ans;
vector<int> add(vector<int> A, vector<int>B)
{
	if (A.size() < B.size()) {
		return add(B, A);
	}
	vector<int>ans;
	int t = 0;
	for (int i = 0; i < A.size(); i++) {
		t += A[i];
		if (i < B.size()) {
			t += B[i];
		}
		ans.push_back(t % 10);
		t /= 10;
	}
	if (t) {
		ans.push_back(t);
	}
	return ans;
}
int main()
{
	cin >> a >> b;
	vector<int>A, B, SUM;
	for (int i = a.size() - 1; i >= 0; i--) {
		A.push_back(a[i] - '0');
	}
	for (int i = b.size() - 1; i >= 0; i--) {
		B.push_back(b[i] - '0');
	}
	SUM = add(A, B);
	for (int i = SUM.size() - 1; i >= 0; i--) {
		cout << SUM[i];
	}
	cout << endl;
	return 0;
}